description Ceramium rubrum Overview
Ceramium rubrum is a name historically applied to a filamentous marine red alga of temperate shores, with erect, repeatedly branched fronds that commonly grow on rock or other seaweeds. The name is taxonomically unsettled in older literature: AlgaeBase lists Ceramium rubrum C. Agardh as a synonym of Ceramium virgatum Roth, while some regional records have used the older name. It is therefore relevant to herbarium, field, and biodiversity records where names must be interpreted in context.
[AlgaeBase](https://www.algaebase.org/search/species/detail/?species_id=Jf389299d41ce1b09)
help Ceramium rubrum FAQ
How good is Ceramium rubrum?
Ceramium rubrum scores 4.42/10 (Poor) on Lunoo, making it rated in the Seaweed category.
What are the best alternatives to Ceramium rubrum?
See our alternatives page for Ceramium rubrum for a ranked list with scores. Top alternatives include: Griffithsia flosculosa, Dasya baillouviana, Kallymenia reniformis.
How does Ceramium rubrum compare to Griffithsia flosculosa?
See our detailed comparison of Ceramium rubrum vs Griffithsia flosculosa with scores, features, and an AI-powered verdict.
Is Ceramium rubrum worth it in 2026?
With a score of 4.42/10, Ceramium rubrum is a solid option in Seaweed. See all Seaweed ranked.
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